21653316

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2287}}^1$

素因数の和:2560

約数の個数: 36

約数和(自身を含む): 54966912

約数和(自身を除く): 33313596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2287, 2367, 3156, 4574, 4734, 6861, 9148, 9468, 13722, 20583, 27444, 41166, 82332, 601481, 1202962, 1804443, 2405924, 3608886, 5413329, 7217772, 10826658, 21653316]

約数ペア:

[(1, 21653316), (2, 10826658), (3, 7217772), (4, 5413329), (6, 3608886), (9, 2405924), (12, 1804443), (18, 1202962), (36, 601481), (263, 82332), (526, 41166), (789, 27444), (1052, 20583), (1578, 13722), (2287, 9468), (2367, 9148), (3156, 6861), (4574, 4734)]